<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>商品类目</title>
    <!--引入样式-->
    <!--<link rel="stylesheet" href="https://unpkg.com/element‐ui/lib/theme‐chalk/index.css">
    <link rel="stylesheet" href="../plugins/font-awesome/css/font-awesome.min.css">
    <link rel="stylesheet" href="../css/style.css">-->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <link rel="stylesheet" href="../plugins/font-awesome/css/font-awesome.min.css">
    <link rel="stylesheet" href="../css/style.css">

</head>
<body>

</body>
    <div id="app">

        <el-date-picker
                v-model="dateRange"
                type="daterange"
                range-separator="至"
                start-placeholder="开始日期"
                end-placeholder="结束日期"
                @change="fetchData()">
        </el-date-picker>
        <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
        <div id="main" style="width: 1000px;height:400px;"></div>

        <el-table
                :data="tableData"
                border
                style="width: 100%">
            <el-table-column
                    prop="categoryName"
                    label="分类名称"
                    width="200">
            </el-table-column>
            <el-table-column
                    prop="num"
                    label="销售量"
                    width="200">
            </el-table-column>
            <el-table-column
                    label="数量比例"
                    width="200">
                <template slot-scope="scope">
                    {{(scope.row.num/totalNum*100).toFixed(0)}}%
                </template>
            </el-table-column>
            <el-table-column
                    label="销售额"
                    width="200">
                <template slot-scope="scope">
                    {{(scope.row.money/100).toFixed(2)}}
                </template>
            </el-table-column>
            <el-table-column
                    label="金额比例"
                    width="200">
                <template slot-scope="scope">
                    {{(scope.row.money/totalMoney*100).toFixed(0)}}%
                </template>
            </el-table-column>
        </el-table>
    </div>

<script src="../js/util.js"></script>
<script src="../js/vue.js"></script>
<script src="../js/axios.js"></script>
<script src="../js/elementui.js"></script>
<script src="../js/echarts.common.min.js"></script>

<script>
    new Vue({
        el: '#app',
        data() {
            return {
                tableData: [],
                dateRange: [],
                totalNum: 0,
                totalMoney: 0
            }
        },
        methods: {
            fetchData() {
                let date1 = this.dateRange[0].Format('yyyy-MM-dd');
                let date2 = this.dateRange[1].Format('yyyy-MM-dd');
                axios.get(`/categoryReport/category1Count.do?date1=${date1}&date2=${date2}`).then(response => {
                    this.tableData = response.data;
                    //计算总的销售数量和总销售金额
                    this.totalNum = 0;
                    this.totalMoney = 0;
                    for (let i = 0; i < this.tableData.length; i++) {
                        this.totalNum += this.tableData[i].num;
                        this.totalMoney += this.tableData[i].money;
                    }

                    let legendData = [];//图例
                    let numData = [];//销售量数据
                    let moneyData = [];//销售额数据

                    for (let i = 0; i < this.tableData.length; i++) {
                        legendData.push(this.tableData[i].categoryName);
                        numData.push({name: this.tableData[i].categoryName, value: this.tableData[i].num});
                        moneyData.push({name: this.tableData[i].categoryName, value: this.tableData[i].money})
                    }

                    //创建饼图
                    // 基于准备好的dom，初始化echarts实例
                    let myChart = echarts.init(document.getElementById('main'));
                    let option = {
                        title: {
                            text: '商品类目销售分析',
                            subtext: '不是纯属虚构的',
                            x: 'center'
                        },
                        tooltip: {
                            trigger: 'item',
                            formatter: "{a} <br/>{b} : {c} ({d}%)"
                        },
                        legend: {
                            orient: 'vertical',
                            left: 'left',
                            data: legendData
                        },
                        series: [
                            {
                                name: '销售量',
                                type: 'pie',
                                radius: '50%',
                                center: ['30%', '50%'],
                                data: numData,
                                itemStyle: {
                                    emphasis: {
                                        shadowBlur: 10,
                                        shadowOffsetX: 0,
                                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                                    }
                                }
                            },
                            {
                                name: '销售额',
                                type: 'pie',
                                radius: '50%',
                                center: ['70%', '50%'],
                                data: moneyData,

                                itemStyle: {
                                    emphasis: {
                                        shadowBlur: 10,
                                        shadowOffsetX: 0,
                                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                                    }
                                }
                            }
                        ]
                    };

                    // 使用刚指定的配置项和数据显示图表。
                    myChart.setOption(option);


                })
            }
        }
    })

</script>

</html>